noo dont give aron shellbell give it leftovers shellbell only works if he hits u remember he might fake out u then do it again just to not let u heal then rape ur aron it happened to me :( take my heed my warning(dont think thats how u spell heed) o.o

instead of tyranitar i would use this hippodawn
Leftovers
Slackoff
Curse
Crunch
Earthquake breed with smeargle for curse and slackoff and adamant nature or relaxed but if ur going to us relaxed then insterad of crunch yuse gyroball if it can learn it i forgot